Use hcvault.NewAEAD in cross-language tests.

We now don't test the old integration that uses "context" as associated data. I think that is fine, because we don't plan to implement that in other languages anyways.

PiperOrigin-RevId: 584596028
Change-Id: Ic84966900e12201b020518a7a022429e8601961f

kokoro/testutils/replace_http_archive_with_local_repository.py

@@ -50,9 +50,11 @@
     ('com_github_tink_crypto_tink_go', 'tink-go'),
     ('com_github_tink_crypto_tink_go_gcpkms', 'tink-go-gcpkms'),
     ('com_github_tink_crypto_tink_go_awskms', 'tink-go-awskms'),
+    ('com_github_tink_crypto_tink_go_hcvault', 'tink-go-hcvault'),
     ('com_github_tink_crypto_tink_go_v2', 'tink-go'),
     ('com_github_tink_crypto_tink_go_gcpkms_v2', 'tink-go-gcpkms'),
     ('com_github_tink_crypto_tink_go_awskms_v2', 'tink-go-awskms'),
+    ('com_github_tink_crypto_tink_go_hcvault_v2', 'tink-go-hcvault'),
 )